Window crank for JEL-N-575 casement window

A quick learner from Paris. kY. 40361 says:

The rank on my window is starting to grind and it close the window completely. I want to replace it before the windo will not close anymore.

What is the part # and price for a replacement crank assembly?

The crank arm mechanism has a code of 20755Thanks

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Casey from SWISCO responded:

Hello,

We'd be happy to look into this for you but we'd need to see your operator with the window open so that the arms that move the sash are fully visible to compare to our inventory. Thank you!

A quick learner from Paris, KY 49361 says:
Here are the pictures with the window open.
Thanks!
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Casey from SWISCO responded:

Great, take a look and compare the dimensions of the EntyGard 39-031 and 39-032 operators to your assembly, which both use the 39-107FK handle and cover kit. Thanks for posting! 

A quick learner from Paris, KY 49361 says:
The short arm is 3 3/4 inch, long arm is about 9 1/2 inches?. The image dimensions are longe than both arms of my unit.
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Casey from SWISCO responded:

In that case, it sounds like you'll need the Caradco 39-155 and 39-156 for your windows. We'll include the dimensions from the operator product page below. Just make sure that you are measuring as shown in the diagram. 


Dimensions for 39-155

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